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Electron acceptor


An electron acceptor is a chemical entity that accepts electrons transferred to it from another ... External links[edit]. Electron acceptor definition at United States Geological Survey website ·...

Electron acceptor - Biology-Online Dictionary


Nov 27, 2008 ... Definition ... An electron acceptor is an oxidizing agent and is itself reduced during the ... See also: redox reaction, electron transport chain.

Primary electron | Article about primary electron by The Free Dictionary

encyclopedia2.thefreedictionary.com/primary electron

Looking for primary electron? Find out information about primary electron. ... donors) to neighbouring acceptor molecules (the primary electron acceptors). Thus ...

The light-dependent reactions - Khan Academy


The high-energy electron is passed to an acceptor molecule and replaced with an .... state, meaning that one of its electrons is boosted to a higher-energy orbital . ... The primary electron acceptor of PSII is pheophytin, an organic molecule that  ...

The Photosynthetic Process - Life Sciences


This chapter will follow the historical definition of photosynthesis and omit .... Both the donor and acceptor molecules are attached to the reaction center protein complex. Once primary charge separation occurs, the subsequent electron transfer ...

Photosystems I and II


Mar 17, 2003 ... two electron acceptor and donor. When it is fully reduced to PQH2 it is called plastoquinol. Like CoQ, PQ is a lipophilic mobile electron.

Photosynthetic Reaction Centers


The transfer of these electrons to other redox enzymes is used to generate the ion .... The primary electron acceptor is the four iron four sulfur cluster called FX, ...

Chemistry for Biologists: Photosynthesis


The excited electron is transferred to another molecule (called a primary electron acceptor). The chlorophyll molecule is oxidized (loss of electron) and has a ...



as temperature, have made possible a more precise definition of the nature ... of electrons from these primary donor and acceptor sites, respectively, to their.

Exploring the primary electron acceptor (QA)-site of the bacterial ...


Feb 15, 2002 ... Exploring the primary electron acceptor (QA)-site of the bacterial ...... used for the definition of methyl group positions within the QA binding site ...

Primary Electron Acceptor | Define Primary Electron Acceptor at Dictionary.com
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Primary Electron Acceptor - Biology As Poetry


It receives an excited electron from the reaction center chlorophyll and thus serves as the primary electron acceptor from photosystems. From the primary ...

Photolysis and the Light Reactions: Definitions, Steps, Reactants ...


Photolysis and the Light Reactions: Definitions, Steps, Reactants & Products .... The primary electron acceptor passes the electrons down to these membrane ...

Biology AP Flashcards


Oct 21, 2007 ... Definition ... Complex of proteins associated with two special chlorophyll a molecules and a primary electron acceptor. Located centrally in a ...